1. Abbott, J. C. (1967), Implicational algebras, Bulletin Mathématique de la Société des Sciences Mathématiques de la République Socialiste de Roumanie, 11(1):3–23.
2. Baxter, R. J. (1972), Partition Function of the Eight-Vertex Lattice Model, Ann. Phys., 70: 193–228.
3. Baxter, R. J. (1982), Exactly Solved Models in Statical Mechanics, Academy Press, London, UK.
4. Chajda, I. (2015), Basic algebras, logics, trends and applications, Asian-European Journal of Mathematics, 8(03): 1550040.
5. Chajda, I. (2005), Sheffer operation in ortholattices, Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica, 44(1):19–23.